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Found 34 results

  1. Is this an anenome fossil?

    Hello, my neighbour found this in her garden - is this some kind of anemone, if it is indeed a fossil? We live in West Hertfordshire, UK, on the Chiltern hills. Thanks
  2. Burrow?

    I'm wondering if it's a fossilized burrow or some form of ichnofossil. Notice the depression from the opposite side of the burrow-like projection. Dakota Sandstone formation and Cenomanian in age.
  3. Ichno fossil ID help

    OK, looking for some help with this ID. I THINK this is a lungfish burrow, but I've never seen any before. I'm exploring a new property permission for a Permian Vert site. The reports also describe numerous lungfish burrows, some with the fish still inside, although most are just the trace fossils. This bit of shale has one every few inches and they are roughly 1" - 1.5" in diameter. So whats your opinion?
  4. tubular trace fossils ID?

    New to geology, so excuse my paltry terminology. Description: Tubes, many branching, between 1-3cm in diameter, in places as thick as a forest root system, material very sandstone-y, surrounding material clay. from my research these seem like burrow casts of... worms? tetrapods? do burrow casts form in such abundance?
  5. I found these that resembles burrow or root cast in Ellsworth county, Kansas, USA from my previous trip. The formation these came from are most likely Kiowa formation/Kiowa Shale and the age is Albian. Here's the link to my previous trip. I'm just catching up with the prepping and sorting my fossils from my previous trips. I am wondering if it is some sort of ichnofossils. Is it burrow, root cast, or something else? Also, is it possible for it to be from geological origin rather than a true ichnofossil? This one is the largest I found. The center is poorly cemented sandstone and can be easily brushed off with a toothbrush while the outside layer is hard. Notice the winkles around the interior bend. The measurement is in inches (I know I need to get a metric system badly, my apologies!)
  6. burrow.jpg

    From the album Mancos Shale - Grand Junction, CO

    Marine burrow. Found this down in the Mancos shale, loose. Possibly from the overlying Mesaverde formation. I have seen many burrows in the Mesaverde sandstone.
  7. A worm or worm burrow in New Jersey?

    Hi everyone! I recently found this strange curled relief on a rock in Monmouth County NJ, due to the prevalence of burrows at this site, my guess is that this curl could be a worm (unlikely due to the whole soft tissue thing) or a worm burrow, or perhaps one of the tricks bog iron likes to play. Anyone got any ideas?
  8. Planolites burrows?

    I went to the local outcrop in my hometown and found this matrix. At first I thought it was broken crinoid segments but after giving it two baths and two good scrubbing with a toothbrush, the details are much clearer and now I doubt it is crinoidal. Perhaps it is Planolite burrows? I think this matrix is of Longford Member, Kiowa formation, Albian. The outcrop I found this matrix at is mostly the Wellington formation, Permian; but it is topped by Kiowa formation and I found it near at the top of this outcrop. I would like to hear your opinions, thanks!
  9. Unknown Limestone Fossil

    Possibly a burrow? Found beneath the Chinle formation on US89 in northern Arizona. 4 inches long, 2.5 inches tall, with a slight curve and a flatter bottom side. The rock looks like limestone, but was found on a flat wash without similar rock in the nearby area.
  10. Burrow

    I think this is a burrow, but is a lot more regular than the others I've found. Is there any way to tell what creatures made the burrows? And is this a burrow or something else? This is from the Oxford Clay, Peterborough Member Callovian - Middle Jurassic.
  11. More Massachusetts Fossils

    I found these two today, looking for identification
  12. Pseudo Fossil or Trace Fossil pg 3

    Pseudo fossil or Trace/burrow fossil?
  13. Pseudo Fossil or Trace Fossil pg 2

    Pseudo fossil or carbon?
  14. Pseudo Fossils or Trace Fossils

    Here goes... I picked these up within the last few weeks in the seasonal creek on my property in Elgin, TX. I’ve been looking at a ton of images and reading a lot of information on Google but look forward to your expertise and responses here in the forum. I tried to take decent pictures. pictures of possibly mold and cast.
  15. Hello everyone! I found this specimen also in a creek on a walk through a local park north of Pittsburgh. Thinking it may be a burrow fossil, but if it is, was wondering if there is an actual scientific name for it, so I know how to file it away accordingly under the proper name. Found the term Cruziana online, and wondering if this would qualify. Does anyone have any opinions? Or, if it is a burrow, is there any way of narrowing down what might have made it i.e. trilobites/arthropods etc? Details: 1) Found in isolation/there were no other similar pieces nearby. 2) Measures about 8-12 inches long. Burrow notches are about the width of a penny. 3) Again, found in Carboniferous territory in Western Pennsylvania found in a creek. Thanks everyone!
  16. I found this in a creek bed near Patagonia, AZ. It has the long cylindrical hole, and also has a leaf imprint on the other side. There may be more in there, not sure. But I'm wondering especially about the cylinder. Is it something like a root? Or a clam burrow? Or something else? Thanks!
  17. Upper Pennsylvanian Possible Burrow

    I found this a couple of years ago and have periodically taken it out to examine it as I've found the accumulation of fauna adhering to it's surface as very interesting. For awhile I affectionately referred to it as an accretion (as opposed to a concretion), envisioning a clump of mud rolling around in the wave action of a shoreline picking up bits of dead fauna. But now, with the fairly recent posts that have come up about crustacean burrows, I'm second guessing. On the exterior of this piece are brachiopod shell bits and molds, possible pectinid shell molds, crinoid columnals, and tiny gastropod steinkerns and exterior molds with decoration. The dark clumps appear to be pyrite. There are two depression areas, one on the large end, and a smaller one that is offset of the smaller end. These I speculate to be the exposed chamber, should this be a burrow. Notably within these depressions are oval shaped pellets and an interesting fibrous texture. So, I now defer to your opinions! Thank you for looking!
  18. Dead thing?

    Found this and it looks like there's some sort of appendage. Would appreciate any thoughts!
  19. Beekite-replaced Clam Burrow

    From the album ECHINOIDS & OTHER INVERTEBRATES

    Chalcedony (Beekite) replacing a section of calcareous clam burrow. Kuphus sp. is Cenozoic in age with one extant species. It is reputed to be the longest clam that ever existed.

    © Harry Pristis, 2018

  20. Duck Creek Formation fossil ID

    I went fossil hunting Sunday in the Duck Creek Formation with my daughter. I found 3 small ammonites, numerous echinoids. There were also Inoceramus clams, large burrows and this things. I have no idea what this is. My impressionable mind wants to think it is part of a lobster since I saw the large burrows, but I’m pretty sure that isn’t likely. Since it is only a fragment it may not be identifiable as to belonging to any critter. It is about 3 inches long by 2.5 inches wide. Pic 1 top view. #2 end one #3 end 2 #4 Side view #5 bottom view. Pretty nondescript.
  21. Fossil Wood? Or something else?

    Hi all, I recently found this on a trip to the Jurassic Coast at Dorset and have been intrigued by this find, i'm not an expert on fossil identification and was wondering if there was anything significant about this fossil. it strikes me as being either fossilised wood or an infilled burrow of some kind, however the shine, shape and downward strikes are leaving me somewhat puzzled. i would be grateful for all your potential ideas as to what this could be.
  22. I picked this up a while back. It was part of an old collection and identified as a coprolithe (aka coprolite). After rinsing it off and looking at it under the microscope, I'm thinking it is some sort of burrow. It contains what looks like invertebrate fecal pellets and fishy bits. I am trying to figure out what this little inclusion is. I was thinking it is a bit of fish skull or possibly a crustacean bit. Anyone recognize it? Thanks for your help!
  23. Trace fossil/burrow

    Guessing this is a invert burrow of some sort. Surface find Sarasota Cnty, Florida. Unknown age/formation. Mio-Plio-Pleistocene. Interesting striations encircle the specimen that are at an angle to the overall length of the tear drop shaped specimen. Wondering if anyone knows what ichnogenus this might be and who/what created it. I've seen a few of these over the years but this is the best example I have. Thanks. Regards, Chris
  24. Ft. Worth Items

    I did a creek walk in Fort Worth and found a number of little things and fragments, however I need some thoughts on the front two items. The porous rock and the elongated rock. I was wondering if these may be a coral sample and an infilled burrow...thoughts?
  25. http://www.iflscience.com/plants-and-animals/extinct-megafauna-dug-these-incredible-tunnels-in-brazil/ The giant animals that roamed the Earth before Homo sapiens took hold of the planet have not just left bones for us to find, some have left long tunnels in South America. These “paleotocas”, or "paleoburrows", were rediscovered during the last decade by several researchers, like Heinrich Frank and Amilcar Adamy. Since then, there has been an incredible output of scientific studies investigating, understanding, and explaining these incredible feats of animal engineering. "For most of the fossil vertebrates, you have only the bones and no clues about their living, how they behave, if they live alone or in groups, etc. It is very rare, in Paleontology, to have this kind of information about an extinct species," Professor Frank told IFLScience. "This is the main reason why paleotocas are so important. Additionally, they give us a little bit of information about distribution and abundance of certain animals with different habits." Paleontologists studying a paleoburrow. Heinrich Frank There's a large variety of paleotoca complexes, some with just a single tunnel and others with up to 25 of them. Many tunnels are filled with sediment, but almost 50 can be explored. Researchers have found three tunnel sizes: 0.8 meters, 1.2 meters, and 2 meters (2.6, 3.9, and 6.6 feet) that can extend up to 60 meters (196 feet) long. It is difficult to estimate exactly how many there are out there, as the terrain has changed significantly. So far, over 2,000 burrows have been found, including one just last Wednesday. Scientists believe they were dug between 10,000 and 8,000 years ago, although researchers are yet to properly date them. There’s talk of using mineral deposits or organic material found in these tunnels, but this has not yet been done. The scratches left by the burrowers show that this was not a natural phenomenon. Heinrich Frank The paleotocas were likely dug by giant ground sloths, like the Glossotherium and Scelerodotherhium, which were common in the Americas from the Pliocene to the late Pleistocene. Or they could have been the burrows of giant armadillos. When the tunnels were formed, the region was very different. Back then, the Amazon forest was a vast savannah teeming with giant life like mastodons, giant alligators, and these giant burrowers. Paleotocas were first discovered in Argentina in the late 1920s, but it wasn’t until Brazilian researchers, some working for the Brazilian Geological Survey, stumbled upon them in multiple locations around the country that the scientific interest in these paleontological features actually picked up.
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